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I just replaced the differential (used) on my 2002 GMC Yukon…

Customer Question
I just replaced the...

I just replaced the differential (used) on my 2002 GMC Yukon XL 1500 and now the traction assist light stays on indicating its "off". Is it related or are there other causes? It was not turning to "off" before the replacement.

Mechanic's Assistant: Just to clarify, what are the exact lights you're talking about?

The Traction Assist light.

Mechanic's Assistant: Are you fixing your Yukon XL yourself? What have you tried so far?

No, but I did try to see if any wires were left loose. I did not see any.

Mechanic's Assistant: Anything else you want the mechanic to know before I connect you?

None that I can think of now.

Submitted: 8 months ago.Category: GMC
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Answered in 1 minute by:
11/20/2017
GMC Mechanic: Tim Mohr, ASE MASTER TECH replied 8 months ago
Tim Mohr
Tim Mohr, ASE MASTER TECH
Category: GMC
Satisfied Customers: 16,621
Experience: 30 YRS EXPERIANCE, AUTO AND TRUCK,FOREIGN AND DOMESTIC, GAS AND DIESEL
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Hi, my name is ***** ***** is possible one of the rear wheel speed sensors was bad on the used differential, have you had codes pulled from the abs computer yet?

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